Search Results for author: Dat Thanh Nguyen

Found 8 papers, 7 papers with code

The Bjøntegaard Bible -- Why your Way of Comparing Video Codecs May Be Wrong

1 code implementation25 Apr 2023 Christian Herglotz, Hannah Och, Anna Meyer, Geetha Ramasubbu, Lena Eichermüller, Matthias Kränzler, Fabian Brand, Kristian Fischer, Dat Thanh Nguyen, Andy Regensky, André Kaup

Using additional supporting points inbetween standard points defined by parameters such as the quantization parameter, we assess the interpolation error of the Bj{\o}ntegaard-Delta (BD) calculus and its impact on the final BD value.

Quantization SSIM +1

Deep probabilistic model for lossless scalable point cloud attribute compression

no code implementations11 Mar 2023 Dat Thanh Nguyen, Kamal Gopikrishnan Nambiar, Andre Kaup

In recent years, several point cloud geometry compression methods that utilize advanced deep learning techniques have been proposed, but there are limited works on attribute compression, especially lossless compression.

Attribute

Lossless Point Cloud Geometry and Attribute Compression Using a Learned Conditional Probability Model

1 code implementation11 Mar 2023 Dat Thanh Nguyen, Andre Kaup

In recent years, we have witnessed the presence of point cloud data in many aspects of our life, from immersive media, autonomous driving to healthcare, although at the cost of a tremendous amount of data.

Attribute Autonomous Driving

Learning-based Lossless Point Cloud Geometry Coding using Sparse Tensors

1 code implementation11 Apr 2022 Dat Thanh Nguyen, Andre Kaup

Most point cloud compression methods operate in the voxel or octree domain which is not the original representation of point clouds.

Lossless Coding of Point Cloud Geometry using a Deep Generative Model

1 code implementation1 Jul 2021 Dat Thanh Nguyen, Maurice Quach, Giuseppe Valenzise, Pierre Duhamel

This paper proposes a lossless point cloud (PC) geometry compression method that uses neural networks to estimate the probability distribution of voxel occupancy.

Data Augmentation

Multiscale deep context modeling for lossless point cloud geometry compression

2 code implementations20 Apr 2021 Dat Thanh Nguyen, Maurice Quach, Giuseppe Valenzise, Pierre Duhamel

We propose a practical deep generative approach for lossless point cloud geometry compression, called MSVoxelDNN, and show that it significantly reduces the rate compared to the MPEG G-PCC codec.

Learning-based lossless compression of 3D point cloud geometry

1 code implementation30 Nov 2020 Dat Thanh Nguyen, Maurice Quach, Giuseppe Valenzise, Pierre Duhamel

On the one hand, octree representation can eliminate the sparsity in the point cloud.

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